The recursive query processing is, recently, a generally interested problem in database system field.
递归查询处理是近年来数据库界普遍关心的问题。
The linear recursive query computation problem is a subset of database recursive query computation problem.
本文针对数据库递归查询计算问题的一个子类——线性递归查询计算问题进行了讨论。
A new method of tree scheme knowledge representation is proposed. It enables the recursive query process to consult the states of the extensional database, making the algorithm more efficient.
提出了一种树形知识表示方法，使递归查询可参考事实库状态，从而获得更高效的算法。
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